85974894 has 24 divisors (see below), whose sum is σ = 188905392. Its totient is φ = 28254240.

The previous prime is 85974881. The next prime is 85974913. The reversal of 85974894 is 49847958.

85974894 is a `hidden beast` number, since 8 + 597 + 48 + 9 + 4 = 666.

It is a super-2 number, since 2×85974894² = 14783364796622472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85974894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32359 + ... + 34914.

It is an arithmetic number, because the mean of its divisors is an integer number (7871058).

Almost surely, 2^85974894 is an apocalyptic number.

85974894 is an abundant number, since it is smaller than the sum of its proper divisors (102930498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85974894 is a wasteful number, since it uses less digits than its factorization.

85974894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67352 (or 67349 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 85974894 is about 9272.2647718883. The cubic root of 85974894 is about 441.3575393473.

It can be divided in two parts, 85974 and 894, that added together give a palindrome (86868).

The spelling of 85974894 in words is "eighty-five million, nine hundred seventy-four thousand, eight hundred ninety-four".